package com.itheima.travel.service;

import com.itheima.travel.req.UserVo;

public interface UserService {
    //用户注册
    Boolean registerUser(UserVo userVo);
    //用户登录
    UserVo loginUser(UserVo userVo);
    //用户退出
    void loginOutUser();
    //用户是否登录
    Boolean isLogin();
}
